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211012113 = 3135410567
BaseRepresentation
bin11001001001111…
…00101000010001
3112201001112012110
430210330220101
5413004341423
632534415533
75141400444
oct1444745021
9481045173
10211012113
11a9124584
125a8015a9
1334941750
142004b65b
15137d2193
hexc93ca11

211012113 has 8 divisors (see below), whose sum is σ = 302991808. Its totient is φ = 129853584.

The previous prime is 211012103. The next prime is 211012127. The reversal of 211012113 is 311210112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211012113 - 29 = 211011601 is a prime.

It is a super-2 number, since 2×2110121132 = 89052223665449538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211012103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2705245 + ... + 2705322.

It is an arithmetic number, because the mean of its divisors is an integer number (37873976).

Almost surely, 2211012113 is an apocalyptic number.

It is an amenable number.

211012113 is a deficient number, since it is larger than the sum of its proper divisors (91979695).

211012113 is a wasteful number, since it uses less digits than its factorization.

211012113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5410583.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 211012113 is about 14526.2559870050. The cubic root of 211012113 is about 595.3455733280.

Adding to 211012113 its reverse (311210112), we get a palindrome (522222225).

The spelling of 211012113 in words is "two hundred eleven million, twelve thousand, one hundred thirteen".

Divisors: 1 3 13 39 5410567 16231701 70337371 211012113